This math puzzle looks simple but catches many people off guard. The key is remembering the order of operations (PEMDAS/BODMAS): multiplication before addition.
First, do the multiplication: 1 × 9 = 9.
Then the equation becomes: 9 + 9 + 1.
9 + 9 = 18, then 18 + 1 = 19.
The correct answer is 19. Many people incorrectly calculate left to right without prioritizing multiplication, getting different wrong answers.

